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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright (C) 2011 Google Inc.<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * Licensed under the Apache License, Version 2.0 (the "License"); you may not<a name="line.4"></a>
<FONT color="green">005</FONT>     * use this file except in compliance with the License. You may obtain a copy of<a name="line.5"></a>
<FONT color="green">006</FONT>     * the License at<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<FONT color="green">011</FONT>     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT<a name="line.11"></a>
<FONT color="green">012</FONT>     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the<a name="line.12"></a>
<FONT color="green">013</FONT>     * License for the specific language governing permissions and limitations under<a name="line.13"></a>
<FONT color="green">014</FONT>     * the License.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>    package com.google.api.gwt.oauth2.client;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * Represents a request for authentication to an OAuth 2.0 provider server.<a name="line.20"></a>
<FONT color="green">021</FONT>     *<a name="line.21"></a>
<FONT color="green">022</FONT>     * @author jasonhall@google.com (Jason Hall)<a name="line.22"></a>
<FONT color="green">023</FONT>     */<a name="line.23"></a>
<FONT color="green">024</FONT>    public class AuthRequest {<a name="line.24"></a>
<FONT color="green">025</FONT>      private final String authUrl;<a name="line.25"></a>
<FONT color="green">026</FONT>      private final String clientId;<a name="line.26"></a>
<FONT color="green">027</FONT>      private String[] scopes;<a name="line.27"></a>
<FONT color="green">028</FONT>      private String scopeDelimiter = " ";<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>      /**<a name="line.30"></a>
<FONT color="green">031</FONT>       * @param authUrl URL of the OAuth 2.0 provider server<a name="line.31"></a>
<FONT color="green">032</FONT>       * @param clientId Your application's unique client ID<a name="line.32"></a>
<FONT color="green">033</FONT>       */<a name="line.33"></a>
<FONT color="green">034</FONT>      public AuthRequest(String authUrl, String clientId) {<a name="line.34"></a>
<FONT color="green">035</FONT>        this.authUrl = authUrl;<a name="line.35"></a>
<FONT color="green">036</FONT>        this.clientId = clientId;<a name="line.36"></a>
<FONT color="green">037</FONT>      }<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>      /** Set some OAuth 2.0 scopes to request access to. */<a name="line.39"></a>
<FONT color="green">040</FONT>      public AuthRequest withScopes(String... scopes) {<a name="line.40"></a>
<FONT color="green">041</FONT>        this.scopes = scopes;<a name="line.41"></a>
<FONT color="green">042</FONT>        return this;<a name="line.42"></a>
<FONT color="green">043</FONT>      }<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>      /**<a name="line.45"></a>
<FONT color="green">046</FONT>       * Since some OAuth providers expect multiple scopes to be delimited with<a name="line.46"></a>
<FONT color="green">047</FONT>       * spaces (conforming with spec), or spaces, or plus signs, you can set the<a name="line.47"></a>
<FONT color="green">048</FONT>       * scope delimiter here that will be used for this AuthRequest.<a name="line.48"></a>
<FONT color="green">049</FONT>       *<a name="line.49"></a>
<FONT color="green">050</FONT>       * &lt;p&gt;<a name="line.50"></a>
<FONT color="green">051</FONT>       * By default, this will be a single space, in conformance with the latest<a name="line.51"></a>
<FONT color="green">052</FONT>       * draft of the OAuth 2.0 spec.<a name="line.52"></a>
<FONT color="green">053</FONT>       * &lt;/p&gt;<a name="line.53"></a>
<FONT color="green">054</FONT>       */<a name="line.54"></a>
<FONT color="green">055</FONT>      public AuthRequest withScopeDelimiter(String scopeDelimiter) {<a name="line.55"></a>
<FONT color="green">056</FONT>        this.scopeDelimiter = scopeDelimiter;<a name="line.56"></a>
<FONT color="green">057</FONT>        return this;<a name="line.57"></a>
<FONT color="green">058</FONT>      }<a name="line.58"></a>
<FONT color="green">059</FONT>    <a name="line.59"></a>
<FONT color="green">060</FONT>      /**<a name="line.60"></a>
<FONT color="green">061</FONT>       * Returns a URL representation of this request, appending the client ID and<a name="line.61"></a>
<FONT color="green">062</FONT>       * scopes to the original authUrl.<a name="line.62"></a>
<FONT color="green">063</FONT>       */<a name="line.63"></a>
<FONT color="green">064</FONT>      String toUrl(Auth.UrlCodex urlCodex) {<a name="line.64"></a>
<FONT color="green">065</FONT>        return new StringBuilder(authUrl)<a name="line.65"></a>
<FONT color="green">066</FONT>            .append(authUrl.contains("?") ? "&amp;" : "?")<a name="line.66"></a>
<FONT color="green">067</FONT>            .append("client_id").append("=").append(urlCodex.encode(clientId))<a name="line.67"></a>
<FONT color="green">068</FONT>            .append("&amp;").append("response_type").append("=").append("token")<a name="line.68"></a>
<FONT color="green">069</FONT>            .append("&amp;").append("scope").append("=").append(scopesToString(urlCodex))<a name="line.69"></a>
<FONT color="green">070</FONT>            .toString();<a name="line.70"></a>
<FONT color="green">071</FONT>      }<a name="line.71"></a>
<FONT color="green">072</FONT>    <a name="line.72"></a>
<FONT color="green">073</FONT>      /** Returns a unique representation of this request for use as a cookie name. */<a name="line.73"></a>
<FONT color="green">074</FONT>      String asString() {<a name="line.74"></a>
<FONT color="green">075</FONT>        // Don't need to URL-encode the scopes since they're just stored here.<a name="line.75"></a>
<FONT color="green">076</FONT>        return clientId + "-----" + scopesToString(null);<a name="line.76"></a>
<FONT color="green">077</FONT>      }<a name="line.77"></a>
<FONT color="green">078</FONT>    <a name="line.78"></a>
<FONT color="green">079</FONT>      /**<a name="line.79"></a>
<FONT color="green">080</FONT>       * Returns a comma-delimited list of scopes.<a name="line.80"></a>
<FONT color="green">081</FONT>       *<a name="line.81"></a>
<FONT color="green">082</FONT>       * &lt;p&gt;These scopes will be URL-encoded if the given codex is not null.&lt;/p&gt;<a name="line.82"></a>
<FONT color="green">083</FONT>       */<a name="line.83"></a>
<FONT color="green">084</FONT>      private String scopesToString(Auth.UrlCodex urlCodex) {<a name="line.84"></a>
<FONT color="green">085</FONT>        if (scopes == null || scopes.length == 0) {<a name="line.85"></a>
<FONT color="green">086</FONT>          return "";<a name="line.86"></a>
<FONT color="green">087</FONT>        }<a name="line.87"></a>
<FONT color="green">088</FONT>        StringBuilder sb = new StringBuilder();<a name="line.88"></a>
<FONT color="green">089</FONT>        boolean needsSeparator = false;<a name="line.89"></a>
<FONT color="green">090</FONT>        for (String scope : scopes) {<a name="line.90"></a>
<FONT color="green">091</FONT>          if (needsSeparator) {<a name="line.91"></a>
<FONT color="green">092</FONT>            sb.append(scopeDelimiter);<a name="line.92"></a>
<FONT color="green">093</FONT>          }<a name="line.93"></a>
<FONT color="green">094</FONT>          needsSeparator = true;<a name="line.94"></a>
<FONT color="green">095</FONT>    <a name="line.95"></a>
<FONT color="green">096</FONT>          // Use the URL codex to encode each scope, if provided.<a name="line.96"></a>
<FONT color="green">097</FONT>          sb.append(urlCodex == null ? scope : urlCodex.encode(scope));<a name="line.97"></a>
<FONT color="green">098</FONT>        }<a name="line.98"></a>
<FONT color="green">099</FONT>        return sb.toString();<a name="line.99"></a>
<FONT color="green">100</FONT>      }<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>      /** Returns an {@link AuthRequest} represented by the string serialization. */<a name="line.102"></a>
<FONT color="green">103</FONT>      static AuthRequest fromString(String str) {<a name="line.103"></a>
<FONT color="green">104</FONT>        String[] parts = str.split("-----");<a name="line.104"></a>
<FONT color="green">105</FONT>        String clientId = parts[0];<a name="line.105"></a>
<FONT color="green">106</FONT>        String[] scopes = parts.length == 2 ? parts[1].split(",") : new String[0];<a name="line.106"></a>
<FONT color="green">107</FONT>        AuthRequest req = new AuthRequest("", clientId).withScopes(scopes);<a name="line.107"></a>
<FONT color="green">108</FONT>        return req;<a name="line.108"></a>
<FONT color="green">109</FONT>      }<a name="line.109"></a>
<FONT color="green">110</FONT>    }<a name="line.110"></a>




























































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